Remove unnecessary dep

Signed-off-by: yuguorui <[email protected]>

Cargo.toml

@@ -16,7 +16,6 @@ ipnet = "2.3.1"
 url = "2.2.2"
 itertools = "0.10.3"
 fast-socks5 = { git = "https://github.com/yuguorui/fast-socks5.git", rev = "9b5480f6" }
-boomphf = "0.5.9"
 maxminddb = "0.17"
 lazy_static = "1.4.0"
 tuple = "0.5.1"

src/utils.rs

@@ -1,9 +1,6 @@
 #![allow(dead_code)]
 
-use boomphf::Mphf;
 use ipnet::{IpNet, Ipv6Net, PrefixLenError};
-use std::fmt::Debug;
-use std::hash::Hash;
 use std::net::{IpAddr, SocketAddr};
 use tokio::net::TcpStream;
 use tokio::{
@@ -79,15 +76,6 @@ pub fn to_io_err(sock_err: fast_socks5::SocksError) -> std::io::Error {
     };
 }
 
-/// A HashSet data structure where the mapping between keys is encoded in a Mphf. This lets us store the keys in dense
-/// arrays, with ~3 bits/item overhead in the Mphf.
-#[derive(Debug)]
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
-pub struct BoomHashSet<K: Hash> {
-    mphf: Mphf<K>,
-    keys: Vec<K>,
-}
-
 pub async fn transfer_tcp(in_sock: &mut TcpStream, rt_context: RouteContext) -> Result<()> {
     let mut out_sock = match SETTINGS
         .read()